查询词典 nonlinear equation

By using of complex variable and integral equation methods, the antiplane multiple elliptical holes and multiple cracks problem of infinite region was considered.

摘 要：运用复变函数及积分方程方法，求解了无限域中的多椭圆孔多裂纹反平面问题。

The multiple cracks and multiple circular holes problem of the particular antiplane regions are studied in the paper by the complex variable function and integral equation method.

利用Fredholm积分方程和复函数方法对断裂力学中的一些特殊反平面区域内的多圆孔、多裂纹问题进行了计算。

E By use of the deduced basic solution of antiplane problem, singular integral equation of the interaction between line inclusion and crack is established. Expressions of stress intensity factor of both inclusion and crack and interface stress of the inclusion are given. Numerical calculation of typical example is made.

导出了夹杂反平面问题的基本解，用此建立了线夹杂与线裂纹相互作用的奇异积分方程，给出了夹杂和裂纹端点的应力强度因子，及夹杂两侧界面应力的表达式，并用数值法计算了若干典型算例。

By using of complex variable function and integral equation method, the antiplane multiple holes and cracks problem of half plane region is considered in this paper.

运用复变函数及积分方程方法，求解了半平面域多圆孔多裂纹反平面问题。

In the functionally graded elastic half-space and the functionally graded covered layer, the motion control equations for the antiplane shear wave are solved, the analytical solutions for displacement and stress are obtained, and with these analytical solutions, the dispersion equation of Love wave is obtained.

对功能梯度弹性半空间和功能梯度覆层的反平面剪切波的运动控制方程进行了求解，给出了半空间和覆盖层的位移、应力解析解，给出了Love波在该解析解下的频散方程。

The edge internal branch crack problems for half-plane in antiplane elasticity arc solved with complex potentials and singular integral equation approach.

利用复变函数和奇异积分方程方法，求解反平面弹性中半平面边缘内分叉裂纹问题。

According to the electrical power system characteristic, the modified equation which antipode coordinates form Newton - Rough abdicated improves and the simplification development has formed the P-Q resolution.

根据电力系统的特点，对极坐标形式的牛顿-拉夫逊的修正方程加以改进和简化发展形成了 P-Q 分解法。

In this theory, the motion equation related to the balance of the antisymmetric part of stresses replaces that for the stress moments.

讨论了构成相关理论的定律及平衡方程。此理论中运动方程与应力矩中置换应力反对称部分平衡相关。

According to the change of the enemy\'s quantity and the qualitative theory of the differential equation, we research the spruce aphides and its predator system. At the same time, we discussion the spruce aphid multiplication model when the natural enemy quantity is a certain value and the periodic oscillating model whose the quantity of the natural enemy changes along with the time. Obtains the stability condition of the balance point and the limit-cycle existing condition, the system presents the dissipative structure\'s character. Finally it explains that this theoretical analysis has certain practical significance regarding the preventing and controlling harmful insect.

第五章，松毛虫与其天敌的关系是食饵和捕食者的关系，根据天敌数量的变化，利用微分方程定性理论，研究松毛虫与天敌系统，讨论天敌数量为一定时的松毛虫增殖模型和天敌数量随时间变化的周期振荡模型，得到正平衡点全局稳定性和极限环的存在条件，通过计算机模拟，说明周期振荡的捕食模型能够呈现典型的时间耗散结构特征，对于防治害虫有一定的实际意义。

Getting through the analysis of the influential factor about the gas hold-up, the aposteriori correlative equation of the gas hold-up has been get. That is the basic data of the design of the industrial reactor.

通过对影响三相淤浆床反应器床层平均气含率因素的分析，得到相应的气含率的经验关联式，为设计工业反应器提供了较为可靠的依据。

Vishnu entered a dark fourth dimensional dream that did not support his field or continued life.

毗瑟挐进入了一个第四密度的黑暗梦想，那里并不支持他的能量场或继续生命。

Leaders and decision-making persons use it to collect the data, including the information of unit work, handing in fee, oweing fee, prepaying fee,changing and afterpaying and account transfering of joining-insurance employee, and account paying of all kinds of insurances from hospitalization insurance institutions.The collected data is picked up, organized, switched and showed to user.

该子系统主要面向各级领导、决策分析人员；从各个医疗保险经办机构和定点医疗机构采集数据，包括在各个医疗保险经办机构处理的单位办公信息，单位缴费、欠费、预缴费信息，参保职工变更信息，参保职工增减变动信息，参保职工补缴信息，参保职工帐户划拨信息：包括各定点医疗机构处理的各险种帐户支出信息，各险种的统筹金支付信息等；将采集的数据提取，组织和转换，然后展示给用户。